Merge tag 'kvm-s390-master-4.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git...

KVM: s390: Fix for fpu register errors since 4.7

This fixes a regression that was introduced by a semantic
change in commit 3f6813b9a5e0 ("s390/fpu: allocate 'struct
fpu' with the task_struct"). Symptoms are broken host userspace
fpu registers if the old FPU set/get ioctls are used.